.Line_app{
    width: 59%;
    height: 100%;
    background-color: #fff;
   
    padding: 10px;
    display: flex;
    flex-direction: column;
}

.Line_app_item{
    width: 100%;
    transition: box-shadow 0.3s ease-in-out; /* 添加过渡动画 */
}
.Line_app_item:hover{
    box-shadow: 0 0 5px 5px #ccc;
}